Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 9 - Cumulative Review Exercises - Page 686: 40

Answer

The number we are looking for is $43$.

Work Step by Step

For this problem, we want to first translate the statement into an algebraic equation that we can solve. "Seven subtracted from" means to subtract $7$. "Five times a number" means "$5x$." "Is $208$" means "$ = 208$." Now we put all these parts together to form an equation: $$5x - 7 = 208$$ We can solve this equation to find the number, $x$. Add $7$ on both sides to move the constants to one side of the equation: $$5x = 215$$ Divide both sides by $5$ to solve for $x$: $$x = 43$$
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